<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>定义列表</title>
</head>
<body>
  <!-- dl是定义列表, dt是定义列表的标题, dd是定义列表的描述/详情 -->
  <dl>
    <dt>服务中心</dt>
    <dd>申请售后</dd>
    <dd>售后政策</dd>
  </dl>
</body>
</html>